<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
       
       var obj = {
        name: '嗨嗨嗨',
        age: 18,
        sex: '男'
       }

       for(var k in obj){
         console.log(k);
         console.log(obj[k]);
       }
       
 
    </script>
</head>
<body>
    
</body>
</html>